Chinook.Model.InvoiceLine.FixupTrack C# (CSharp) Метод

        private void FixupTrack(Track previousValue)
        {
            if (previousValue != null && previousValue.InvoiceLines.Contains(this))
            {
                previousValue.InvoiceLines.Remove(this);
            }
    
            if (Track != null)
            {
                if (!Track.InvoiceLines.Contains(this))
                {
                    Track.InvoiceLines.Add(this);
                }
                if (TrackId != Track.TrackId)
                {
                    TrackId = Track.TrackId;
                }
            }
        }